15 points / $
Miles value: 21.75 cents / $
Requires a Capital One credit card
4.5%cash back
Bonus: $30 (new users)
Redeem for cash back
4.5 points / $
Miles value: 6.98 cents / $
Bonus: 3,000 points (new users)
Redeem for Amex Membership Rewards points
1%cash back